19319877

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{1741}}^1$

素因数の和:1890

約数の個数: 20

約数和(自身を含む): 29087916

約数和(自身を除く): 9768039

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 1741, 3699, 5223, 11097, 15669, 47007, 141021, 238517, 715551, 2146653, 6439959, 19319877]

約数ペア:

[(1, 19319877), (3, 6439959), (9, 2146653), (27, 715551), (81, 238517), (137, 141021), (411, 47007), (1233, 15669), (1741, 11097), (3699, 5223)]